/*
 * Copyright IBM Corp. and others 2004
 *
 * This program and the accompanying materials are made available under
 * the terms of the Eclipse Public License 2.0 which accompanies this
 * distribution and is available at https://www.eclipse.org/legal/epl-2.0/
 * or the Apache License, Version 2.0 which accompanies this distribution and
 * is available at https://www.apache.org/licenses/LICENSE-2.0.
 *
 * This Source Code may also be made available under the following
 * Secondary Licenses when the conditions for such availability set
 * forth in the Eclipse Public License, v. 2.0 are satisfied: GNU
 * General Public License, version 2 with the GNU Classpath
 * Exception [1] and GNU General Public License, version 2 with the
 * OpenJDK Assembly Exception [2].
 *
 * [1] https://www.gnu.org/software/classpath/license.html
 * [2] https://openjdk.org/legal/assembly-exception.html
 *
 * SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0 OR GPL-2.0-only WITH OpenJDK-assembly-exception-1.0
 */
package com.ibm.j9ddr.corereaders.minidump;

import java.io.IOException;

class MiscInfoStream extends EarlyInitializedStream
{
	private final static int MISC1_PROCESS_ID = 1;

	public MiscInfoStream(int dataSize, int location)
	{
		super(dataSize, location);
	}

	public void readFrom(MiniDumpReader dump) throws IOException
	{
		dump.seek(getLocation());
		if (getDataSize() < 4)
			return;
		int infoSize = dump.readInt();
		if (infoSize > getDataSize())
			infoSize = getDataSize();
		infoSize = infoSize / 4 - 1;
		if (infoSize <= 0)
			return;
		int[] misc = new int[infoSize];
		for (int i = 0; i < infoSize; i++)
			misc[i] = dump.readInt();
		int flags = misc[0];
		if ((flags & MISC1_PROCESS_ID) != 0 && infoSize > 1)
			dump.setProcessID(misc[1]);
		// TODO are we interested in exposing process times information?
	}
}
